A database is a facility used to organize, store, manage, safeguard, and control access to data. Database designs depend on different schemes (schema), defined by the relational model designed for ease of access by programs and data queries. Some database examples include relational database management systems (RDBMS), in-memory databases, object-oriented databases (OODBMS), NoSQL databases, and NewSQL databases. Each of these has its own set of pros and cons.

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